Sim time08:00:00
Speed60×
Shift A · Day 1

Defect Genealogy

Cluster module · mod_cluster_laminator2_016
Module
mod_cluster_laminator2_016
Defect 198 (B)
Final Pmax
555 W
562 min total
Tier
Tier B
defects 198
Module 16 of 23 in cluster cluster_laminator2_membrane_fatigue. Defect 198 (B-tier). Bayesian signature match 58% with cluster cause. Marginal bubble.

Genealogy timeline · click any event for detail

WaferCell-sideModule-sideParameter ΔAlertsRecommendationsInspectionsDefects06:00Membrane health drifting09:14X-bar R WARNING — vacuum hold drift09:16Recommendation: schedule membrane swap at 12:0010:35Module enters Laminator 2 queue10:36Module processed at Laminator 2 (excursion window)10:44Module exits Laminator 211:35Module enters Final Test11:36EL inspection — defect detected (198)11:37Defect RIL 198 — B-tier11:38Module classified B-tier
WaferCell-sideModule-sideParameter ΔAlertsRecommendationsInspectionsDefectsDefect cards red-bordered · solid lines = direct causation

SPC charts · Vasu's monitoring framework

Vacuum Hold Pressure · Laminator 2
X-bar R chart
warn 8 · action 12 mbar
nominal 4warnactionModule 1600:0007:5515:5000:002.847.8412.83
Vacuum hold pressure drifted from nominal 4 mbar to 6.1 mbar by 09:14, crossing the 8 mbar warning during the showcase module's cycle (peak 7.8 mbar). After membrane replacement at 12:00, returned to 3.8 mbar.· Green dashed: If predictive maintenance triggered at 06:00.
Membrane Health · Laminator 2
I-MR chart
warn 0.85 · action 0.78 index
nominal 1warnactionModule 1600:0007:5515:5000:000.760.891.03
Membrane health degraded steadily from 0.94 toward action threshold 0.78. Crossed warning 0.85 at ~08:00 — six hours before scheduled replacement.
Lamination Bubble Rate · Laminator 2
p-chart
warn 0.02 · action 0.04 proportion
nominal 0.005warnactionModule 1600:0023:4523:3100:00-0.000.020.04
Per-lot bubble defect proportion crossed action threshold 4% during the affected 4-hour window, returning to nominal after the 12:00 membrane swap.

Counterfactual overlay — what should have happened

Toggle to overlay the alternate timeline branch where the platform's recommendations were accepted at the right moment.

Bayesian attribution · 1 chain

198 Bubble in active area
top confidence 58%
Laminator 2 excursion58% · sig 58%
Other / unattributed42% · sig 0%

Blast radius · 1 cluster

cluster_laminator2_membrane_fatigue
Laminator 2 Membrane Fatigue · 08:00–12:00
23 modsdefects: 17clean: 6sig 74%
RIL 198 × 12RIL 199 × 6

Cell provenance · 72 cells

Each cell carries its full station-visit history. Click a cell to inspect recipe snapshots and per-station measurements.

Module outcome

Final classification
Tier B
Economic impact
Cost basis $156 · Recovery $0
Counterfactual recovery
~$1,530 avoided
This page demonstrates full provenance for three showcase modules AND their full cluster genealogies — 53 additional cluster modules whose journeys share the same upstream causal events as the showcases. In production deployment, every module's complete genealogy and every cluster's full membership is tracked automatically. This demonstration shows what that looks like at the cluster scale.